{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Subject.Race", "Subject", "Treatment.Dosage", "Effect", "Treatment.Route", "Treatment.Duration", "Treatment.Time_elapsed", "Subject.Population", "Combination.Drug", "Treatment.Drug", "Treatment.Disorder", "Treatment.Freq", "Subject.Gender", "Subject.Age"]}], "input": "A 61-year-old patient who had been treated with lisinopril in the past without any problems was commenced on ramipril for left ventricular dysfunction."}
{"potential therapeutic event": [{"Subject.Race": "NAN", "Subject": "A 61-year-old patient who had been treated with lisinopril in the past without any problems", "Treatment.Dosage": "NAN", "Effect": "NAN", "Treatment.Route": "NAN", "Treatment.Duration": "NAN", "Treatment.Time_elapsed": "NAN", "Subject.Population": "NAN", "Combination.Drug": "NAN", "Treatment.Drug": "ramipril", "Treatment.Disorder": "left ventricular dysfunction", "Treatment.Freq": "NAN", "Subject.Gender": "NAN", "Subject.Age": "61-year-old"}]}